In a dquble-blind test, the non-control group receives a A
hypothesis.
B
new medicine.
С
control.
D
placebo.

So what you would do is go through and add 3 teaspoons(tsp) 6 times because of the 6 tablespoons(tbsp). which will give you an answer of 18. another way is to multiply 3x6=18.

The answer for this is a

The answer is accuracy